EP1317899A3 - Shape measurement apparatus - Google Patents
Shape measurement apparatus Download PDFInfo
- Publication number
- EP1317899A3 EP1317899A3 EP02027562A EP02027562A EP1317899A3 EP 1317899 A3 EP1317899 A3 EP 1317899A3 EP 02027562 A EP02027562 A EP 02027562A EP 02027562 A EP02027562 A EP 02027562A EP 1317899 A3 EP1317899 A3 EP 1317899A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- measurement
- shape
- setting
- mode
- condition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
- G01B11/25—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/107—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining the shape or measuring the curvature of the cornea
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Ophthalmology & Optometry (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Eye Examination Apparatus (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001373744A JP3703429B2 (en) | 2001-12-07 | 2001-12-07 | Corneal shape measuring device |
JP2001373744 | 2001-12-07 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1317899A2 EP1317899A2 (en) | 2003-06-11 |
EP1317899A3 true EP1317899A3 (en) | 2003-07-09 |
EP1317899B1 EP1317899B1 (en) | 2006-12-06 |
Family
ID=19182409
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02027562A Expired - Lifetime EP1317899B1 (en) | 2001-12-07 | 2002-12-09 | Shape measurement apparatus |
Country Status (4)
Country | Link |
---|---|
US (1) | US6755528B2 (en) |
EP (1) | EP1317899B1 (en) |
JP (1) | JP3703429B2 (en) |
DE (1) | DE60216557T2 (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101374829B1 (en) | 2006-03-31 | 2014-03-17 | 가부시키가이샤 니데크 | Ophthalmologic instrument |
WO2008141304A2 (en) | 2007-05-11 | 2008-11-20 | Amo Manufacturing Usa, Llc | Combined wavefront and topography systems and methods |
US7976163B2 (en) | 2007-06-27 | 2011-07-12 | Amo Wavefront Sciences Llc | System and method for measuring corneal topography |
US7988290B2 (en) * | 2007-06-27 | 2011-08-02 | AMO Wavefront Sciences LLC. | Systems and methods for measuring the shape and location of an object |
US7988293B2 (en) * | 2008-11-14 | 2011-08-02 | AMO Wavefront Sciences LLC. | Method of qualifying light spots for optical measurements and measurement instrument employing method of qualifying light spots |
JP5654225B2 (en) * | 2009-09-30 | 2015-01-14 | 株式会社ニデック | Corneal shape measuring device |
JP5484139B2 (en) * | 2010-03-15 | 2014-05-07 | 株式会社ニデック | Ophthalmic equipment |
JP6007466B2 (en) * | 2010-12-27 | 2016-10-12 | 株式会社ニデック | Corneal shape measuring device |
EP2688460B1 (en) * | 2011-03-25 | 2018-09-26 | Novartis AG | Apparatus and method for modelling ocular structures |
US8622546B2 (en) | 2011-06-08 | 2014-01-07 | Amo Wavefront Sciences, Llc | Method of locating valid light spots for optical measurement and optical measurement instrument employing method of locating valid light spots |
US8562135B2 (en) | 2011-08-31 | 2013-10-22 | Nidek Co., Ltd. | Ophthalmic apparatus |
JP2013135837A (en) | 2011-11-30 | 2013-07-11 | Nidek Co Ltd | Ophthalmic apparatus and ophthalmic program |
DE102012019474A1 (en) * | 2012-09-28 | 2014-04-03 | Carl Zeiss Meditec Ag | Device for the reliable determination of biometric measurements of the entire eye |
CN103292738B (en) * | 2013-06-26 | 2015-12-09 | 中国科学院光电技术研究所 | Spherical surface shape error absolute detection method |
CN104976964B (en) * | 2015-06-09 | 2017-07-14 | 中国科学院长春光学精密机械与物理研究所 | The absolute detection method of spherical mirror and plane mirror surface-shaped error |
JP2017087509A (en) * | 2015-11-06 | 2017-05-25 | 東芝テック株式会社 | Portable printer and computer program |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4051483A (en) * | 1976-09-03 | 1977-09-27 | Fuji Photo Optical Co., Ltd. | System for measuring and recording three dimensional configuration of object |
US4420228A (en) * | 1980-06-12 | 1983-12-13 | Humphrey Instruments, Inc. | Method and apparatus for analysis of corneal shape |
GB2177813A (en) * | 1985-07-12 | 1987-01-28 | Clement Clarke Int | Keratometer |
EP0549516A2 (en) * | 1991-12-20 | 1993-06-30 | Rotlex Optics Ltd. | Method and apparatus for measuring optical properties of optical devices |
US5742381A (en) * | 1995-11-15 | 1998-04-21 | Nikon Corporation | Apparatus for measuring refractive power and radius of curvature of a lens |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4572628A (en) | 1981-05-29 | 1986-02-25 | Nippon Kogaku K.K. | Method of and apparatus for measuring radius |
JPS6185920A (en) * | 1984-10-03 | 1986-05-01 | 株式会社 ニデツク | Apparatus for measuring cornea shape |
JPS6419896A (en) | 1987-07-15 | 1989-01-23 | Toshiba Corp | Feeding system for telephone set controller |
JPH05146407A (en) * | 1991-11-26 | 1993-06-15 | Canon Inc | Instrument for measuring radius of curvature |
JP3221733B2 (en) * | 1992-06-30 | 2001-10-22 | 株式会社ニデック | Lens measuring device |
JP3269665B2 (en) * | 1992-07-31 | 2002-03-25 | 株式会社ニデック | Alignment detection device and ophthalmic apparatus using the alignment detection device |
US5463430A (en) | 1992-07-31 | 1995-10-31 | Nidek Co., Ltd. | Examination apparatus for examining an object having a spheroidal reflective surface |
JPH06154166A (en) * | 1992-11-27 | 1994-06-03 | Topcon Corp | Contact lens discriminating device |
JP3445634B2 (en) | 1993-03-31 | 2003-09-08 | 株式会社ニデック | Ophthalmic equipment |
JP3560746B2 (en) * | 1996-10-03 | 2004-09-02 | 株式会社ニデック | Eye refractive power measuring device |
US5907388A (en) | 1996-10-03 | 1999-05-25 | Nidek Co., Ltd. | Ophthalmic measurement apparatus having plural pairs of photoreceiving elements |
US6222621B1 (en) * | 1998-10-12 | 2001-04-24 | Hoyo Corporation | Spectacle lens evaluation method and evaluation device |
JP2003093345A (en) * | 2001-09-27 | 2003-04-02 | Canon Inc | Ophthalmologic system |
JP2003106935A (en) * | 2001-09-28 | 2003-04-09 | Tomey Corporation | Measurement of contact lens shape |
-
2001
- 2001-12-07 JP JP2001373744A patent/JP3703429B2/en not_active Expired - Fee Related
-
2002
- 2002-12-06 US US10/310,761 patent/US6755528B2/en not_active Expired - Fee Related
- 2002-12-09 EP EP02027562A patent/EP1317899B1/en not_active Expired - Lifetime
- 2002-12-09 DE DE60216557T patent/DE60216557T2/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4051483A (en) * | 1976-09-03 | 1977-09-27 | Fuji Photo Optical Co., Ltd. | System for measuring and recording three dimensional configuration of object |
US4420228A (en) * | 1980-06-12 | 1983-12-13 | Humphrey Instruments, Inc. | Method and apparatus for analysis of corneal shape |
GB2177813A (en) * | 1985-07-12 | 1987-01-28 | Clement Clarke Int | Keratometer |
EP0549516A2 (en) * | 1991-12-20 | 1993-06-30 | Rotlex Optics Ltd. | Method and apparatus for measuring optical properties of optical devices |
US5742381A (en) * | 1995-11-15 | 1998-04-21 | Nikon Corporation | Apparatus for measuring refractive power and radius of curvature of a lens |
Also Published As
Publication number | Publication date |
---|---|
DE60216557D1 (en) | 2007-01-18 |
US6755528B2 (en) | 2004-06-29 |
JP2003169778A (en) | 2003-06-17 |
US20030107708A1 (en) | 2003-06-12 |
DE60216557T2 (en) | 2007-09-27 |
EP1317899A2 (en) | 2003-06-11 |
JP3703429B2 (en) | 2005-10-05 |
EP1317899B1 (en) | 2006-12-06 |
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AX | Request for extension of the european patent |
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RIC1 | Information provided on ipc code assigned before grant |
Ipc: 7G 01B 11/25 B Ipc: 7A 61B 3/107 A |
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